The reaction of aqueous ${\text{KMnO}}_4$ with ${\text{H}}_2{\text{O}}_2$ in acidic conditions gives:

1. A
   ${\text{Mn}}^{4+}$ and ${\text{O}}_2$
2. B
   ${\text{Mn}}^{2+}$ and ${\text{O}}_2$
3. C
   ${\text{Mn}}^{2+}$ and ${\text{O}}_3$
4. D
   ${\text{Mn}}^{4+}$ and ${\text{MnO}}_2$